Base | Representation |
---|---|
bin | 1010011111100… |
… | …11000111111100 |
3 | 20010122021020010 |
4 | 11033303013330 |
5 | 140013341034 |
6 | 12422423220 |
7 | 2116136235 |
oct | 517630774 |
9 | 203567203 |
10 | 88027644 |
11 | 45764521 |
12 | 25591b10 |
13 | 15311283 |
14 | b99608c |
15 | 7adc3e9 |
hex | 53f31fc |
88027644 has 48 divisors (see below), whose sum is σ = 213333120. Its totient is φ = 28217280.
The previous prime is 88027619. The next prime is 88027651. The reversal of 88027644 is 44672088.
It is a super-2 number, since 2×880276442 = 15497732216381472, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153879 + ... + 154449.
It is an arithmetic number, because the mean of its divisors is an integer number (4444440).
Almost surely, 288027644 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 88027644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106666560).
88027644 is an abundant number, since it is smaller than the sum of its proper divisors (125305476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88027644 is a wasteful number, since it uses less digits than its factorization.
88027644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1050 (or 1048 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 39.
The square root of 88027644 is about 9382.3048341013. The cubic root of 88027644 is about 444.8425887723.
The spelling of 88027644 in words is "eighty-eight million, twenty-seven thousand, six hundred forty-four".
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